Successful small farms

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... lifethan the aquot;hot cathodeaquot; unit. It is used most frequently on flashing circuits.
Because of the higher light output per watt input, more illumination and less heat
is obtained per watt from fluorescent lamps ... The circuit diagram for the fixture
appears on the ballast container. Characteristics. ... For example, a 40-watt
fluorescent lamp produces approximately 2800 lumens, or 70 lumens per watt. A
40-wattanbsp;...

Title

:

Successful small farms

Author

:

Herbert T. Leavy

Publisher

:

- 1978

ISBN-13

:

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